[PATCH 11/17] wifi: mt76: mt7925: add pci_mcu.c

[Deren Wu]

(Patches split into one patch per file for easier review, but the final
commit will be one big patch. See the cover letter for more info.)

Co-developed-by: Lorenzo Bianconi <lorenzo at kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>
Signed-off-by: Deren Wu <deren.wu at mediatek.com>
---
 .../wireless/mediatek/mt76/mt7925/pci_mcu.c   | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 drivers/net/wireless/mediatek/mt76/mt7925/pci_mcu.c

diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/pci_mcu.c b/drivers/net/wireless/mediatek/mt76/mt7925/pci_mcu.c
new file mode 100644
index 000000000000..f95bc5dcd830
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7925/pci_mcu.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2023 MediaTek Inc. */
+
+#include "mt7925.h"
+#include "mcu.h"
+
+static int
+mt7925_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
+			int cmd, int *seq)
+{
+	struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
+	enum mt76_mcuq_id txq = MT_MCUQ_WM;
+	int ret;
+
+	ret = mt7925_mcu_fill_message(mdev, skb, cmd, seq);
+	if (ret)
+		return ret;
+
+	mdev->mcu.timeout = 3 * HZ;
+
+	if (cmd == MCU_CMD(FW_SCATTER))
+		txq = MT_MCUQ_FWDL;
+
+	return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0);
+}
+
+int mt7925e_mcu_init(struct mt792x_dev *dev)
+{
+	static const struct mt76_mcu_ops mt7925_mcu_ops = {
+		.headroom = sizeof(struct mt76_connac2_mcu_txd),
+		.mcu_skb_send_msg = mt7925_mcu_send_message,
+		.mcu_parse_response = mt7925_mcu_parse_response,
+	};
+	int err;
+
+	dev->mt76.mcu_ops = &mt7925_mcu_ops;
+
+	err = mt792xe_mcu_fw_pmctrl(dev);
+	if (err)
+		return err;
+
+	err = __mt792xe_mcu_drv_pmctrl(dev);
+	if (err)
+		return err;
+
+	mt76_rmw_field(dev, MT_PCIE_MAC_PM, MT_PCIE_MAC_PM_L0S_DIS, 1);
+
+	err = mt7925_run_firmware(dev);
+
+	mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
+
+	return err;
+}
-- 
2.18.0